The literal meaning of “gastrulation” is
Formation of primary germ layers
Formation of a gut
Morphogenetic movement
Commencement of organogenesis
In sperm bank the sperms are stored in test tubes for the purpose of artificial insemination
Two major entities seen in human testis $\mathrm{TS}$ are
The rule of embryonic development was given by
Ostium is provided with a number of finger like processes fimbriae
The permeability of the human placenta to macro-molecules is evidenced by the presence of following in foetal blood